Hello there, I hope all is well. As you can see in the attached file, the curves are not lofting at the end of the algorithm. Also, the Voronoi curves on the brep surface is not covering the middle part + some of the edges. Thanks. loft issue.gh (16.1 KB) loft.3dm (519.2 KB)

Looks like a typical data tree problem. See White group. For the second issue, move your bounding box slightly downward would help. [capture-20190328-223107] loft issue_re.gh (114.8 KB)

Hello again, How about this time, why does the design exceeding the edge of the do Out of Circle Edge.3dm (543.2 KB) me? Out of the circle edge.gh (14.6 KB)

Grasshopper loft issue

Grasshopper

HS_Kim May 2, 2019, 11:01am 6

That’s because your surface is a “Trimmed” surface. See the linked topic bellow if it’s helpful.

Topic		Replies	Views
Freaky loft anomaly Rhino for Windows	11	1793	April 4, 2015
Loft set of lines along a surface problem when one of the lines is not continuous Grasshopper rhino6	4	791	June 16, 2020
Simple loft between lines creates surface with wrong area Grasshopper mac	9	219	February 12, 2025
Voronoi 3D - Loft component does not create all the surfaces Grasshopper voronoi , mesh , loft	4	1410	May 10, 2020
Loft is not forming all the way Grasshopper	15	2712	November 14, 2020

Grasshopper loft issue

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